/* * Copyright (C) 2021 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.hookedonplay.decoviewlib.interpolator;

/**
 * Anticipate interpolator
 */
public class AnticipateInterpolator extends BaseInterpolator {
    /**
     * M tension
     */
    private final float mTension;

    /**
     * Anticipate interpolator
     */
    public AnticipateInterpolator() {
        mTension = 2.0f;
    }

    /**
     * Anticipate interpolator
     *
     * @param tension tension
     */
    public AnticipateInterpolator(float tension) {
        mTension = tension;
    }

    /**
     * Get interpolation float
     *
     * @param t t
     * @return the float
     */
    public float getInterpolation(float t) {
        return t * t * ((mTension + 1) * t - mTension);
    }
}